Umurbey, Turkey

Full City Profile

3,792 Population 26/sq mi density
755 ft Elevation 230 meters
55°F Avg Temperature 13°C
Umurbey experiences four distinct seasons with an average annual temperature of 55°F (13°C). Winters average 39°F in January while summers reach 71°F in July. Annual precipitation totals 24.8 inches. The area receives 0.0 inches of snow annually.

Temperature

39°F Jan (4°C) 71°F Jul (22°C)
Annual Average54.7°F
1% above US avg
January Average39°F (4°C)
July Average71°F (22°C)

Geography

Elevation755 ft (230 m)
Area145.2 sq mi (376.0 km²)
Population Density26/sq mi
Coordinates40.4147°N, 29.1831°E
TimezoneEurope/Istanbul

Precipitation & Snow

Annual Rainfall 24.8"
35% below US avg
Snowfall 0.0"
Wettest Month (Dec) 3.35"
Driest Month (Aug) 0.83"

Air Quality

Earthquake History

4,684 earthquakes (M2.5+) within 150 km since 1990. Strongest: M7.6. Most recent: M3.8 on Jul 5, 2025.

Aug 17, 1999 4 km ESE of Derince, Turkey M7.6 68 km
Apr 23, 2025 24 km SE of Marmara Ereğlisi, Turkey M6.2 96 km
Sep 13, 1999 4 km SE of Köseköy, Turkey M5.9 80 km
May 19, 2011 12 km ENE of Simav, Turkey M5.8 141 km
Nov 11, 1999 5 km N of Sapanca, Turkey M5.7 99 km
Sep 26, 2019 17 km ESE of Marmara Ere?lisi, Turkey M5.7 103 km
Aug 23, 2000 8 km E of Akyaz?, Turkey M5.3 133 km
Feb 17, 2009 5 km ENE of Simav, Turkey M5.2 146 km
Aug 31, 1999 2 km NNE of Kar??yaka, Turkey M5.2 73 km
May 3, 2012 13 km NE of Simav, Turkey M5.2 138 km
Sep 29, 1999 8 km NNW of Ta?köprü, Turkey M5.2 39 km
Aug 19, 1999 3 km SSE of Ç?narc?k, Turkey M5.2 23 km
Aug 17, 1999 9 km SE of Akyaz?, Turkey M5.1 129 km
Jul 25, 2011 25 km SW of Marmara Ere?lisi, Turkey M5.1 128 km
Nov 7, 1999 8 km E of Akyaz?, Turkey M5.0 134 km
Aug 17, 1999 2 km NW of Kullar, Turkey M5.0 76 km
Sep 9, 1999 7 km NNW of Koruköy, Turkey M5.0 34 km
Apr 23, 2025 14 km S of Kumburgaz, Turkey M5.0 79 km
Apr 23, 2025 24 km SSW of Selimpaşa, Turkey M4.9 91 km
Sep 24, 2019 20 km SE of Marmara Ere?lisi, Turkey M4.9 101 km
Source: USGS (M2.5+, 1990-2025)

Tsunami History

12 tsunamis recorded within 500 km. Highest wave on record: 6.0 m (20 ft).

Year Location Cause Max Wave Deaths Distance
1509 MARMARA SEA Earthquake 6.0 m 5,000 101 km
1894 MARMARA SEA Earthquake 4.5 m 1,349 46 km
1999 KOCAELI, TURKEY Earthquake 2.5 m 17,118 77 km
1963 MARMARA SEA Earthquake 1.0 m 1 32 km
2025 MARMARA SEA Earthquake 0.1 m - 100 km
1935 MARMARA SEA Eruption + Earthquake - 5 148 km
1343 MARMARA SEA, STRAIT OF BOSPORUS Earthquake - - 86 km
986 MARMARA SEA Earthquake - - 43 km
557 MARMARA SEA Earthquake - - 144 km
551 LEVANTIAN SEA Earthquake - - 74 km
543 BLACK SEA Earthquake - - 118 km
478 MARMARA SEA Earthquake - - 43 km
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.

Monthly Weather

Month Avg Temperature Precipitation Summary
January 39°F (4°C) 3.3 in Coldest
February 40°F (4°C) 2.6 in
March 44°F (6°C) 2.4 in
April 52°F (11°C) 2.0 in
May 60°F (15°C) 1.8 in
June 67°F (20°C) 1.3 in
July 71°F (22°C) 0.9 in Warmest
August 71°F (22°C) 0.8 in Driest
September 65°F (18°C) 1.4 in
October 57°F (14°C) 2.3 in
November 49°F (9°C) 2.8 in
December 43°F (6°C) 3.4 in Wettest

Umurbey has a seasonal temperature swing of 33°F / from 39°F in January to 71°F in July. Total annual precipitation is 24.8 inches, with December being the wettest month (3.4") and August the driest (0.8").

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